1 // Testcase from P0170R1
2 // { dg-do compile { target c++17 } }
4 auto ID = [](auto a) { return a; };
5 static_assert( ID (3) == 3); // OK
7 NonLiteral(int n) : n(n) { }
11 static_assert( ID (NonLiteral{3}).n == 3); // { dg-error "non-literal" }
12 // { dg-prune-output "static assertion" }